//
//  UIBarbuttonItem+Extensions.swift
//  新浪微博
//
//  Created by 周冰烽 on 2017/1/5.
//  Copyright © 2017年 周冰烽. All rights reserved.
//

import UIKit

extension UIBarButtonItem {
    /// 创建UIBarButtonItem
    ///
    /// - Parameters:
    ///   - title: title
    ///   - fontSize: fontSize,默认16号
    ///   - target: target
    ///   - action: action
    ///   - isBackButton: 是否是返回按钮,如果是,加上箭头
    ///
    ///   - returns: UIBarbuttonItem
    
    convenience init(title:String, fontSize: CGFloat = 16,target:AnyObject?,action:Selector,isBackButton:Bool = false) {
        let btn:UIButton = UIButton.cz_textButton(title, fontSize: fontSize, normalColor: UIColor.darkGray, highlightedColor: UIColor.orange)
        if isBackButton {
            let imageName = "navigationbar_back_withtext"
            
            btn.setImage(UIImage(named:imageName), for: UIControlState(rawValue:0))
            btn.setImage(UIImage(named:imageName + "_highlighted"), for: .highlighted)
            btn.sizeToFit()
        }
        btn.addTarget(target, action: action, for: .touchUpInside)
        //self.init 实例化 UIBarButtonItem
        self.init(customView:btn)
    }
}
